1. departing from an accepted standard or normal type; abnormal or atypical
Usage: formal

Examples

• The scientist dismissed the aberrational data as a measurement error.
• His aberrational behavior during the meeting surprised his colleagues.
• The company’s aberrational profits last quarter were due to a one-time sale.
• The judge considered the defendant’s crime to be aberrational rather than part of a pattern.
• Weather patterns showed aberrational temperatures throughout the region.
• The aberrational test results prompted a reexamination of the experimental procedure.